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Источник : Biotechnology and Bi ... ✕Ученые : İbrahim İlker ÖZYİĞİ ... ✕
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Prof. Dr. İbrahim İlker ÖZYİĞİTFen Fakültesi
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Comparative analyses of phytochelatin synthase (PCS) genes in higher plants

İbrahim İlker ÖZYİĞİT

Plants employ various defence strategies to ameliorate the effects of heavy metal exposures, leading to re-establishment of metal homeostasis. One of the strategies includes the biosynthesis of main heavy metal detoxifying peptides phytochelatins (PCs) by phytochelatin synthase (PCS). In the present study, 14 PCS homologues were identified in the genomes of 10 selected plants. The size of these PCSs was 452-545 amino acid residues, with characteristic phytochelatin and phytochelatin_C domains. The N-terminal site of the proteins is highly conserved, whereas the C-terminal site is less conserve ...Более

Статья 2019 Fen Fakültesi Biotechnology and Biotechnological Equipment33 ( 1 ) 62 Просмотры
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Abiotic stress-induced regulation of antioxidant genes in different Arabidopsis ecotypes: microarray data evaluation

İbrahim İlker ÖZYİĞİT

Although stresses induce generation of reactive oxygen species (ROS), which are highly reactive and toxic, and cause severe damage to cellular components; plants have very efficient enzymatic ROS-scavenging mechanisms. Despite the substantial knowledge produced about these enzymes, we still have limited knowledge regarding their expression patterns in relation to the stress type, duration and strength. Thus, taking advantage of microarray data, this work evaluated the abiotic stresses (salt, cold, heat and light) induced regulation of six antioxidant enzymes, superoxide dismutase (SOD), catala ...Более

Статья 2019 Fen Fakültesi Biotechnology and Biotechnological Equipment33 ( 1 ) 100 Просмотры
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Morphological variation, genetic diversity and phylogenetic relationships of Hypericum triquetrifolium Turra populations from Tunisia

İbrahim İlker ÖZYİĞİT

Hypericum triquetrifolium Turra is an ecologically, medicinally and economically important species in Tunisia. Thirty-six Hypericum individuals sampled from 6 northern Tunisian locations were investigated for their diversity and relationships using 10 inter-simple sequence repeats (ISSR) markers and 10 morphological features at vegetative stage. The phylogenetic analysis, using 308 bp of sequenced ITS1 region, identified the Hypericum individuals as H. triquetrifolium that clustered with members of genus Hypericum section 9, 9a, 9b and 27, in agreement with the previous molecular classificatio ...Более

Статья 2021 Fen Fakültesi Biotechnology and Biotechnological Equipment35 ( 1 ) 51 Просмотры
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Exploration of two major boron transport genes BOR1 and NIP5;1 in the genomes of different plants

İbrahim İlker ÖZYİĞİT

Boron (B) is an essential plant micronutrient but studies regarding its transport are still limited to a few plants. This work identified two major B transport sequences in plants, NIP5;1 boric acid channel protein and BOR1 transporter. 80 BOR1 and 34 NIP5;1 homologs were identified in 18 different plant genomes. BOR1 homologs had a HCO3-transporter domain, 649-737 amino-acid residues with mainly basic nature, putative 8-11 transmembrane domains (TMDs) and 11-13 exons. NIP5;1 homologs had a MIP family domain, 294-311 amino-acid residues with basic nature, 5-6 putative TMDs and 3-5 exons. Tyros ...Более

Статья 2020 Fen Fakültesi Biotechnology and Biotechnological Equipment34 ( 1 ) 49 Просмотры
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